- 方程式 fāngchéngshì equationa mathematical statement that two expressions are equal, usually containing one or more unknown values; chemical equation or formula
- 微分方程 wēifēnfāngchéng differential equation(mathematics) an equation involving one or more derivatives of a function
- 方程组 fāngchéngzǔ system of equations(mathematics) a set of simultaneous equations that are solved together; a system of equations
- 一次方程 yīcìfāngchéng linear equationlinear equation; a mathematical equation of the first degree
- 不定方程 bùdìngfāngchéng indeterminate equation(math) an equation containing two or more unknown variables which generally has an infinite number of solutions
- 一次方程式 yīcìfāngchéngshì linear equationan algebraic equation of the first degree, in which the highest power of any variable is one
- 联立方程式 liánlìfāngchéngshì simultaneous equationssimultaneous equations; a system of equations where two or more unknowns must satisfy two or more equations at once
- 代数方程式 dàishùfāngchéngshì algebraic equationA mathematical statement written using operators, numbers, and variables representing quantities that are equal; an algebraic formula
- 偏微分方程 piānwēifēnfāngchéng partial differential equationpartial differential equation (PDE)
- 化学方程式 huàxuéfāngchéngshì chemical equationA formula that represents a chemical reaction using symbols for the elements involved; also called [[化学反应式|化學反應式|hua4 xue2 fan3 ying4 shi4]]
- 多项式方程 duōxiàngshìfāngchéng polynomial equation(math) an algebraic equation where one or both sides are polynomials
- 多项式方程组 duōxiàngshìfāngchéngzǔ system of polynomial equations(math) a set of two or more polynomial equations involving one or more variables
- 差分方程 chāfēnfāngchéng difference equationan equation involving differences between successive values of a function, used in mathematics and computing
- 常微分方程 chángwēifēnfāngchéng ordinary differential equationordinary differential equation; ODE
- 恒等方程式 héngděngfāngchéngshì identity equationa mathematical equation that is true for all possible values of its variables
- 方程式赛车 fāngchéngshìsàichē formula racing; formula cara type of auto racing (and the cars used) where vehicles must adhere to strict technical specifications regarding dimensions and weight, similar to a mathematical formula
- 泛定方程 fàndìngfāngchéng universal differential equation
- 波方程 bōfāngchéng wave equationthe differential equation that describes the propagation of waves through a medium, used in mathematics and physics
- 矛盾方程式 máodùnfāngchéngshì inconsistent equationsA set of two or more equations that have no common solution, resulting from unreasonable conditions or calculation errors.
- 积分方程 jīfēnfāngchéng integral equationan equation in which an unknown function appears under an integral sign
- 线性方程 xiànxìngfāngchéng linear equationan algebraic equation of the first degree
- 线性方程式 xiànxìngfāngchéngshì linear equationIn mathematics, an algebraic equation in which the highest power of any variable is one.
- 薛定谔方程 xuēdìng'èfāngchéng Schrödinger's equationSchrödinger's wave equation in quantum mechanics
- 一元方程式 yīyuánfāngchéngshì one-variable equationIn mathematics, an algebraic equation that contains only one unknown or variable.
- 运动方程 yùndòngfāngchéng equations of motionequations that describe the behavior of a physical system in terms of its motion as a function of time
- 一级方程式 yījífāngchéngshì Formula OneFormula One; the highest class of international racing for open-wheel single-seater formula racing cars
- 三次方程 sāncìfāngchéng cubic equationan equation where the highest power of the unknown variable is three; cubic equation
- 三次方程式 sāncìfāngchéngshì cubic equationan algebraic equation in which the highest power of the unknown variable is to the third degree
- 丢番图方程 diūfāntúfāngchéng Diophantine equation(math.) an algebraic equation for which only whole number solutions are sought
- 二次方程 èrcìfāngchéng quadratic equation(math) quadratic equation
- 二次方程式 èrcìfāngchéngshì quadratic equationan equation in algebra where the highest power of the unknown variable is two
- 代数方程 dàishùfāngchéng algebraic equationan equation in mathematics consisting of algebraic expressions; examples include linear and quadratic equations
