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First-Order ODE Solver

Solves first-order linear ODEs of the form a·y' + b·y = c with an initial condition y(0). Use it for physics, engineering, or math coursework whenever you need y(x) instantly.

dy/dx Coefficient

y Coefficient

Constant Term

Initial Condition y(0) =

Evaluate at x =

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Calculus

Riemann Sum Calculator

Approximate the area under a curve f(x) = c·xⁿ using left, right, or midpoint rectangle sums. Ideal for calculus students learning numerical integration or checking definite integral estimates.

Function Coefficient

Power of x

Lower Bound

Upper Bound

Number of Rectangles

Riemann Sum Method

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Key differences

	First-Order ODE Solver	Riemann Sum Calculator
Category	Calculus	Calculus
Inputs required	5	6
Result	Solution y(x)	Riemann Sum Approximation
What it does	Solves first-order linear ODEs of the form a·y' + b·y = c with an initial condition y(0). Use it for physics, engineering, or math coursework whenever you need y(x) instantly.	Approximate the area under a curve f(x) = c·xⁿ using left, right, or midpoint rectangle sums. Ideal for calculus students learning numerical integration or checking definite integral estimates.