University of Waterloo Formula Electric | 500 followers on LinkedIn. Design, Build, Compete, Repeat | The University of Waterloo's Formula Electric design team is comprised of highly motivated passionate students from the University of Waterloo in Ontario, Canada. We compete in the Formula SAE electric race car competition against universities from around the world. The Formula Hybrid competition is an interdisciplinary design and engineering challenge for undergraduate and graduate university students. They must collaboratively design and build a formula-style hybrid or electric-only racecar and compete in a series of events. This educational competition emphasizes drivetrain innovation and fuel ... The electric field concept arose in an effort to explain action-at-a-distance forces. All charged objects create an electric field that extends outward into the space that surrounds it. The charge alters that space, causing any other charged object that enters the space to be affected by this field. The strength of the electric field is dependent upon how charged the object creating the …1. The cars: on an equal footing. First thing’s first, the big difference – of course – between Formula E and other motorsports is that it’s the only global all-electric racing series. Another huge attraction is how Formula E cars play on a much more level playing field than other race series. Cars share the same chassis, battery and tyres.Jun 6, 2022 · Follow the Formula E team. Texas A&M’s Formula E team will be competing with their first-ever formula electric car on June 15 in Detroit at the International Speedway. Stay up to date with the team during this competition by downloading the “Formula SAE” app and searching the team number 244. The newest Formula SAE team, Formula Electric ... The ABB FIA Formula E World Championship continues to expand and is now adding a new and exciting city to its world map: the innovative electric racing series …Resistance (also known as ohmic resistance or electrical resistance) is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω). The larger resistance, the greater the barrier against the flow of current. When the potential difference is applied to a ...IWATA, March 28, 2024 - Yamaha Motor Co., Ltd. (Tokyo: 7272) announced today that it and Lola Cars Ltd (head office in the U.K., hereinafter "Lola") have signed a …R. Electric Energy. The electric energy delivered by an electric current is the product of its power and time over which it flows — and therefore the product of…. voltage. current. time. E = Pt = VIt. This equation can also be combined with Ohm's law to produce variations. E = VIt = I2Rt =.Example: Electric Field of 2 Point Charges. For two point charges, F is given by Coulomb’s law above. Thus, F = (k|q 1 q 2 |)/r 2, where q 2 is defined as the test charge that is being used to “feel” the electric field. We then use the electric field formula to obtain E = F/q 2, since q 2 has been defined as the test charge.Our Story - where we came from. Since 1979, we have been racing Illini, fostering various teams specializing in combustion, hybrid, and fully electric vehicles. Today, we are embarking on a new milestone in our history by merging Illini Motorsports with Illini Formula Electric, becoming a singular formula electric team.The electric field concept arose in an effort to explain action-at-a-distance forces. All charged objects create an electric field that extends outward into the space that surrounds it. The charge alters that space, causing any other charged object that enters the space to be affected by this field. The strength of the electric field is dependent upon how charged the object creating the …The National Electric Vehicle Infrastructure (NEVI) program will provide $5 billion in formula funding to States to build out charging infrastructure along highway corridors – filling gaps in ...Power. The obvious difference being that Formula 1 cars are powered by a combination of a 1.6-litre V6 turbocharged engine and battery power, which produces …MOTOR RACING. Formula E hits the streets of Cape Town this weekend – see where, when and who’s racing. The new generation of Formula E cars can reach …McGill Formula Electric 817 Sherbrooke Street West MacDonald Engineering Building, Room 270 Montreal, QC H3A 0C3 About History OUr Team Sponsors contact Us Hours Powered by ... The Formula E championship is currently contested by 22 drivers, and 11 teams as of the 2024 season. The sport features electric-powered race cars similar in style to the hybrid-drive cars of Formula One. Jun 6, 2022 · Follow the Formula E team. Texas A&M’s Formula E team will be competing with their first-ever formula electric car on June 15 in Detroit at the International Speedway. Stay up to date with the team during this competition by downloading the “Formula SAE” app and searching the team number 244. The newest Formula SAE team, Formula Electric ... 2 years ago. 1. power is all about converting whatever your work into the work with 1 second of window. 2. in most cases, you do work for more than 1 sec. thus you have to do divide them by the time it take to do the work. e.g. work_of_pushing_a_box_right = 30J, time = 3s. power = work/time = 30J/3s = 10J/1s = 10W.When produced, all the electrical energy is the form of potential energy when delivered to the final application which can be converted to another form of energy i.e. from electrical to mechanical through electric motors and heat or motion through motors and light bulbs & heaters etc. Electrical energy is generated (converted) from other forms ...NEWS 06 Dec 2023 6 Mins. The next phase of progress and evolution of Formula E came one step closer today as the FIA confirmed the choice of suppliers for the GEN4 race car …Jul 23, 2021 · Nissan e.dams. Formula E is billed as the electric future of car racing. The premise behind the series is not only that the cars are fully electric, but that the 12 teams, each with two drivers ... MOTOR RACING. Formula E hits the streets of Cape Town this weekend – see where, when and who’s racing. The new generation of Formula E cars can reach …This article deals with electrical formulas and their derivations. First of all, understanding the basics of electricity is vital for gaining proper knowledge of electricity. Furthermore, there exist four basic physical quantities of electricity.A glance at the technical specifications of the Weissach-developed electric racing car with which the TAG Heuer Porsche Formula E Team will fight for the world championship title (with the predecessor’s data in brackets): The Porsche 99X Electric Gen3 measures 5016 mm (5200 mm) overall in length, 1023 mm (1063.5 mm) in height and …Figure 9.2.5 9.2. 5: Current I is the rate at which charge moves through an area A, such as the cross-section of a wire. Conventional current is defined to move in the direction of the electrical field. (a) Positive charges move in the direction of the electrical field, which is the same direction as conventional current. (b) Negative charges ...Coulomb’s law (also known as Coulomb’s inverse-square law) is a law of physics that defines the amount of force between two stationary, electrically charged particles (known as the electrostatic force ). Coulomb’s law was discovered by Charles-Augustin de Coulomb in 1785. Hence the law and the associated formula was named …2 years ago. 1. power is all about converting whatever your work into the work with 1 second of window. 2. in most cases, you do work for more than 1 sec. thus you have to do divide them by the time it take to do the work. e.g. work_of_pushing_a_box_right = 30J, time = 3s. power = work/time = 30J/3s = 10J/1s = 10W.The electric field concept arose in an effort to explain action-at-a-distance forces. All charged objects create an electric field that extends outward into the space that surrounds it. The charge alters that space, causing any other charged object that enters the space to be affected by this field. The strength of the electric field is dependent upon how charged the object creating the …Here at Missouri S&T Formula Electric, we are building the future of racing. The future of the automotive industry is electric, and we are at the forefront of the industry by designing, building and racing a fully electric, environmentally friendly, formula style race car. Our team competes at the Formula SAE competition, which is being held in ...The electromagnetic wave equation is a second-order partial differential equation that describes the propagation of electromagnetic waves through a medium or in a vacuum.It is a three-dimensional form of the wave equation.The homogeneous form of the equation, written in terms of either the electric field E or the magnetic field B, takes the form: = =Meet us on your own campus or at the info-event on the following dates: 14-15/02: Campus visit Groep T. 21-22/02: Campus visit Diepenbeek. 28-29/03: Campus visit Heverlee. 04/03: Campus Visit De Nayer. 06-07/03: Campus visit Louvain-La-Neuve. 20/03: Info event recruitment at Group T. Or meet us at one of these job fairs:Apr 29, 2022 · Formula E has been racing electric single-seaters around some of the world’s most iconic cities since 2014, and now the series has unveiled its third-generation race car. The Gen3 car brings ... Welcome to the closest, most intense racing series on the planet. The ABB FIA Formula E World Championship. Global electric street racing. Net Zero Since Day Zero. #ChangeAccelerated 🏎⚡️🌍 Energy & power calculation. The average power P in watts (W) is equal to the energy consumed E in joules (J) divided by time period Δt in seconds (s):. P (W) = E (J) / Δt (s). Electric powerJan 12, 2024 · Formula E is the FIA’s top-level electric open-wheel racing series, racing single-seater racecars mostly on downtown street tracks in the world’s great cities. The series has so far raced in ... This article deals with electrical formulas and their derivations. First of all, understanding the basics of electricity is vital for gaining proper knowledge of electricity. Furthermore, there exist four basic physical quantities of electricity.Formula SAE Electric 2017 – Present Clarkson University 8 Clarkson Ave., Potsdam, New York 13699 315-268-6400 80 Nott Terrace, Schenectady, NY 12308 518-631-9831 199 Dennings Ave., Beacon, New York 12508 845-838-1600 Take a Virtual Tour • Giving ...Jul 19, 2021 · Formula E is an all-electric auto race — like Formula 1, but battery-powered. And some of the innovation seen on the race track could eventually make it to your driveway. Voltage, also known as (electrical) potential difference, electric pressure, or electric tension is the difference in electric potential between two points. In a static electric field, it corresponds to the work needed per unit of charge to move a positive test charge from the first point to the second point. In the International System of Units (SI), the derived unit …In physics, drift velocity is the average velocity attained by charged particles, such as electrons, in a material due to an electric field.In general, an electron in a conductor will propagate randomly at the Fermi velocity, resulting in an average velocity of zero.Applying an electric field adds to this random motion a small net flow in one direction; this is the drift.Dec 6, 2023 · NEWS 06 Dec 2023 6 Mins. The next phase of progress and evolution of Formula E came one step closer today as the FIA confirmed the choice of suppliers for the GEN4 race car – set to debut in Season 13 of the ABB FIA Formula E World Championship in 2026/27. While Formula E is just nine seasons old, the on-track technology is ever-evolving and ... By sponsoring Formula Electric, your company gains exclusive access to witness firsthand the work of top-tier engineers at WSU. Be at the forefront of cutting-edge innovation as our team transforms theoretical knowledge into tangible, high-performance Electric ...By sponsoring Formula Electric, your company gains exclusive access to witness firsthand the work of top-tier engineers at WSU. Be at the forefront of cutting-edge innovation as our team transforms theoretical knowledge into tangible, high-performance Electric ...Electric flux. In electromagnetism, electric flux is the measure of the electric field through a given surface, [1] although an electric field in itself cannot flow. The electric field E can exert a force on an electric charge at any point in … Formula SAE Electric > Contact [email protected]. or. SAE Customer Service. 877-606-7323. 724-776-5970 (outside the U.S. or Canada) [email protected] A glance at the technical specifications of the Weissach-developed electric racing car with which the TAG Heuer Porsche Formula E Team will fight for the world championship title (with the predecessor’s data in brackets): The Porsche 99X Electric Gen3 measures 5016 mm (5200 mm) overall in length, 1023 mm (1063.5 mm) in height and …Nissan made its all-electric racing debut in Season 5 (2018/19) of the ABB FIA Formula E World Championship, becoming the first and only Japanese manufacturer to enter the series. The cars. ... Nissan Formula E team takes its second podium of Season 10 in São Paulo. 5 min Reading. Formula E. March 13, 2024.Mar 30, 2022 · EXPLAINED: Formula E's rules and regs. FEATURE 30 Mar 2022 3 Mins. The FIA works hand in hand with the ABB FIA Formula E World Championship to implement and enforce the rules and regulations and keep the show running behind-the-scenes, all the while ensuring the racing remains consistently safe and fair – and without detracting in any way ... FS Alpe Adria. In our final summer race at Alpe Adria, we faced an unexpected setback due to a part failure that forced us to abandon the endurance event. Despite this setback, the experience reinforced our commitment to push the boundaries of electric racing technology. As we reflect on our summer, we are gratefull for the unwavering support ... electric charge. physical property of an object that causes it to be attracted toward or repelled from another charged object; each charged object generates and is influenced by a force called an electric force. electric field. physical phenomenon created by a charge; it “transmits” a force between a two charges. electric force.Nissan has been involved in the all-electric championship since 2018, having taken over the Renault e.Dams entry after working in collaboration with the team. ... “Formula E is …Mar 30, 2022 · EXPLAINED: Formula E's rules and regs. FEATURE 30 Mar 2022 3 Mins. The FIA works hand in hand with the ABB FIA Formula E World Championship to implement and enforce the rules and regulations and keep the show running behind-the-scenes, all the while ensuring the racing remains consistently safe and fair – and without detracting in any way ... Welcome to the closest, most intense racing series on the planet. The ABB FIA Formula E World Championship. Global electric street racing. Net Zero Since Day Zero. #ChangeAccelerated 🏎 🌍 ...9/14/2023 9:58:54 AM ET FormulaSAE Series. The 2024 Formula SAE Rules V.1 are now available for review and use by student teams. The ruleset can be found in Series Resources under the Ruleset & Rule Resources tab or by clicking here.Coulomb’s law (also known as Coulomb’s inverse-square law) is a law of physics that defines the amount of force between two stationary, electrically charged particles (known as the electrostatic force ). Coulomb’s law was discovered by Charles-Augustin de Coulomb in 1785. Hence the law and the associated formula was named …An electric field (sometimes called E-field) is the physical field that surrounds electrically charged particles. Charged particles exert attractive forces on each other when their charges are opposite, and repulse each other when their charges are the same. ... From the above formula it can be seen that the electric field due to a point charge ... power = d U d t. An electric circuit is capable of transferring power. Current is the rate of flow of charge, and voltage measures the energy transferred per unit of charge. We can insert these definitions into the equation for power: power = d U d t = d U d q ⋅ d q d t = v i. Electrical is the branch of Physics dealing with electricity, electronics and electromagnetism. Electrical formulas play a great role in finding the parameter value in any electrical circuits. Most commonly used electrical formulas are formulas related to voltage, current, power, resistance etc. 9/14/2023 9:58:54 AM ET FormulaSAE Series. The 2024 Formula SAE Rules V.1 are now available for review and use by student teams. The ruleset can be found in Series Resources under the Ruleset & Rule Resources tab or by clicking here.Electric field work is the work performed by an electric field on a charged particle in its vicinity. The particle located experiences an interaction with the electric field. The work per unit of charge is defined by moving a negligible test charge between two points, and is expressed as the difference in electric potential at those points. The work can be done, …Mar 30, 2022 · EXPLAINED: Formula E's rules and regs. FEATURE 30 Mar 2022 3 Mins. The FIA works hand in hand with the ABB FIA Formula E World Championship to implement and enforce the rules and regulations and keep the show running behind-the-scenes, all the while ensuring the racing remains consistently safe and fair – and without detracting in any way ... Formula SAE Electric. F ormula SAE is a well established competition that challenges teams to build, test, and race Formula style cars, involving hundreds of universities and colleges around the world. More Info.A glance at the technical specifications of the Weissach-developed electric racing car with which the TAG Heuer Porsche Formula E Team will fight for the world championship title (with the predecessor’s data in brackets): The Porsche 99X Electric Gen3 measures 5016 mm (5200 mm) overall in length, 1023 mm (1063.5 mm) in height …TOKYO, March 30 (Reuters) - Maserati's Maximilian Guenther took victory in Formula E's first race in Japan on Saturday to become the all-electric championship's …An electric formula mixer from a trusted brand that is easy to assemble and wash. Motorized design makes 28 ounces of formula. Specialized wand quickly whips up smooth, bubble-free formula. Features a spill-free locking lid and a no-drip spout. Ergonomic handle is comfortable and easy to grip.Dec 6, 2023 · NEWS 06 Dec 2023 6 Mins. The next phase of progress and evolution of Formula E came one step closer today as the FIA confirmed the choice of suppliers for the GEN4 race car – set to debut in Season 13 of the ABB FIA Formula E World Championship in 2026/27. While Formula E is just nine seasons old, the on-track technology is ever-evolving and ... Formula Electric Belgium has always strived to build the most lightweight chassis possible. As Chassis Designer, you will be in charge of the final outlook of our next car, taking the placement of all our technical components into account.Learn the Power Formula. We’ve seen the formula for determining the power in an electric circuit: by multiplying the voltage in “volts” by the current in “amps” we arrive at an … In 2019/20 the ABB FIA Formula E Championship became #PositivelyCharged, as the series, its partners, teams, drivers and fans work together to grow electric racing and light up the world with its transformative power. 1/8 With German giants Mercedes-Benz EQ and TAG Heuer Porsche joining the field and expanding the grid to 24 drivers, the sixth ... In physics, drift velocity is the average velocity attained by charged particles, such as electrons, in a material due to an electric field.In general, an electron in a conductor will propagate randomly at the Fermi velocity, resulting in an average velocity of zero.Applying an electric field adds to this random motion a small net flow in one direction; this is the drift.McGill Formula Electric 817 Sherbrooke Street West MacDonald Engineering Building, Room 270 Montreal, QC H3A 0C3 About History OUr Team Sponsors contact Us Hours Powered by ...The electric field concept arose in an effort to explain action-at-a-distance forces. All charged objects create an electric field that extends outward into the space that surrounds it. The charge alters that space, causing any other charged object that enters the space to be affected by this field. The strength of the electric field is dependent upon how charged the object creating the …The electrical resistance of an object is a measure of its opposition to the flow of electric current.Its reciprocal quantity is electrical conductance, measuring the ease with which an electric current passes.Electrical resistance shares some conceptual parallels with mechanical friction.The SI unit of electrical resistance is the ohm (), while electrical …Formula Electric Belgium Motor Vehicle Manufacturing Kessel-Lo, Vlaams-Brabant 2,091 followers Green innovation meets performance.You can simply refer to below formulas or click on the links to have complete details of a specific formula. 100 Electrical and Electronics Engineering formulas: Formula. Explanation and Mathematical Equation. Ohm’s Law. Ohm’s Law relates current and voltage for resistive circuits. Formula: V = IR. Basic Electrical Formulas Electrical an d Electronics Eng ineering Induction Motor MCQs Electrical and Electro nits Engineerin g Switchgear Electrical and Electronics Engineerin g Current transformer Electrical and Electro nics En gin Insulation Resistance IR Testing Of cables Electrical and Electro nits Eng ineering Ohm's law These formulae and equations are very useful in understanding the behavior of electrical systems and helps to perform the different calculations in practice. This article is meant for describing all the important formulae and equations of electrical engineering that every electrical student and professional need to know. Electric Charge All the races and dates from the official 2024 Formula E calendar. Buy tickets and see all the race schedules and information for Season 10. Jameson Dow | Jan 12 2024 - 12:30 pm PT. 17 Comments. Formula E returns to track this Saturday for its tenth season with a race in Mexico City, in a season that brings three …To calculate electric potential at any point A due to a single point charge (see figure 1), we will use the formula: \scriptsize V = k \frac {q} {r} V = krq. where: q. q q — Electrostatic charge; r. r r — Distance between A and the point charge; and. k = 1 4 π ϵ 0. Illini Formula Electric has merged and is now Illini Electric Motorsports! Visit us at IlliniElectricMotorsports.com. This site will be available for archival purposes. New Website! Illini Formula Electric (IFE) is the University of Illinois Urbana-Champaign's electric Formula SAE team. We design, build, and race electric formula cars. Jul 23, 2021 · Nissan e.dams. Formula E is billed as the electric future of car racing. The premise behind the series is not only that the cars are fully electric, but that the 12 teams, each with two drivers ... The Formula E race car has undergone a much more radical development than Formula 1 since the electric race series’ inception in 2014. Up until 2018, every team needed two cars per driver to ... Formula Electric at Berkeley. We are a tight-knit group of students who participate in the yearly FSAE EV Competition in Michigan. The competition involves building, testing, and racing a formula-style electric vehicle as well as the business operations side which includes financial and marketing aspects. Jan 24, 2024 · Formula E has come a long way in less than 10 seasons. We've strode through two astronomical leaps in electric car performance and driven the revolution with the leap from GEN1 to GEN2 and on to the world's fastest, lightest, most sustainable electric race car ever: the GEN3. The law has this form, F → = K q 0 q 1 r 2 r ^. Where. F →. . is the electric force, directed on a line between the two charged bodies. K. . is a constant of proportionality that relates the left side of the equation (newtons) to the right side (coulombs and meters).Solution: Let us assume there are two charges, –q, fixed at point A, and +q fixed at point B. These two are separated by a distance d, thus creating a dipole. Now, suppose the midpoint between AB is O. Therefore, the electric potential as a result of the dipole placed at any point P, when OP = r, is calculated as: V = (1/4πε) x pcosΘ / r 2.Team Ojas is the Official Formula Student Electric Team of Vellore Institute of Technology, Vellore. Ojas, the Sanskrit word for energy, perfectly captures the tough Indian competitive spirit which all the members of our team aim to bring to this competition. We were founded in 2012 as a hybrid team, we entered the electric category in 2013.Learn the Power Formula. We’ve seen the formula for determining the power in an electric circuit: by multiplying the voltage in “volts” by the current in “amps” we arrive at an …The TAG Heuer Porsche Formula E Team heads into its fifth Formula E season with the Weissach-developed Porsche 99X Electric. Thanks to four victories courtesy of Pascal Wehrlein (3) and António Félix da Costa (1), 2023 was the most successful year since the sports car manufacturer entered the all-electric racing series.
Jul 23, 2021 · Nissan e.dams. Formula E is billed as the electric future of car racing. The premise behind the series is not only that the cars are fully electric, but that the 12 teams, each with two drivers ... . Sushi take out
Electric Snowmobile. Formula SAE Electric. 2017 – Present. Clarkson University. 8 Clarkson Ave., Potsdam, New York 13699 315-268-6400 80 Nott Terrace, Schenectady, NY 12308 518-631-9831 199 Dennings Ave., Beacon, New York 12508 845-838-1600 Take a Virtual Tour. Organizational ChartElectric current can be calculated using the electric current formula: I=V/R. This equation is also known as the "current equation" and it is derived from Ohm's Law. The variable "I" stands for ...Electric current is defined as a stream of charged particles—such as electrons or ions—moving through an electrical conductor or space. It is the flow rate of electric charge through a …The electric potential V V of a point charge is given by. V = kq r point charge (7.4.1) (7.4.1) V = k q r ⏟ point charge. where k k is a constant equal to 9.0 ×109N ⋅ m2/C2 9.0 × 10 9 N ⋅ m 2 / C 2. The potential in Equation 7.4.1 7.4.1 …Mcgill Formula Electric McGill Formula Electric 817 Sherbrooke Street West MacDonald Engineering Building, Room 270 Montreal, QC H3A 0C3 About History OUr Team Sponsors contact Us Hours Powered by ...We are Formula Electric Racing NUST, Formula Student team from PNEC - National University of Sciences and Technology. We have been associated with Formula Student since 2016 and have competed in 2018 and 2020. The team was among top five in business plan presentation, top 10 in the cost event in the virtual competition and is excitedly looking ... McGill Formula Electric is made up of over 300 motivated students who design, build and race a 100% electric formula car. This is an extracurricular project and students do not receive credit for participating. 3-Phase Current Formula. As we have seen, this 3-phase power formula calculates how many kW of electric power will a motor have given its current: P (kW) = (I (Amps) × V (Volts) × PF × 1.732) ÷ 1,000. To figure out how many amps does a motor with certain kW power have, we have to rearrange this equation a bit.If a resistor is connected to a battery, the power dissipated as radiant energy by the wires and the resistor is equal to. P = IV = I2R = V2 R. The power supplied from the battery is equal to current times the voltage, P = IV. Definition: Electric Power. The electric power gained or lost by any device has the form.Common electrical units used in formulas and equations are: Volt - unit of electrical potential or motive force - potential is required to send one ampere of current through …The equation above for electric potential energy difference expresses how the potential energy changes for an arbitrary charge, q when work is done on it in an electric field. We define a new term, the electric potential …Sanya E-Prix. Round 6 of the championship will be hosted in Sanya, China on 23 March, 2019 (Saturday) after Hong Kong stop. Situated on the southern tip of Hainan, Sanya will see the new Gen2 cars battle it out on the tropical shores of the South China Sea. All 22 drivers and 11 teams will race wheel-to-wheel against the backdrop of Haitang Bay.IWATA, March 28, 2024 - Yamaha Motor Co., Ltd. (Tokyo: 7272) announced today that it and Lola Cars Ltd (head office in the U.K., hereinafter "Lola") have signed a …The Formula E race car has undergone a much more radical development than Formula 1 since the electric race series’ inception in 2014. Up until 2018, every team needed two cars per driver to ...We take full responsibility for our organization and this web site. We are a tight-knit group of students who participate in the yearly FSAE EV Competition in Michigan. The competition involves building, testing, and racing a formula-style electric vehicle as well as the business operations side which includes financial and marketing aspects. Formula Electric Belgium, Kessel-Lo. 5,368 likes · 8 talking about this · 103 were here. Formula Electric Belgium is a team of engineering students that design and build electric racecars! Download Free Formula Sheets for JEE Main. Download. Free Formula Sheets. for JEE Main. Click here for Revision Notes. Physics. Chemistry. Mathematics..