Calculator Help

Evaluation is automatic as long the expression is valid.

You can either use keyboard or type free text.

Enter expressions like this

((10+15)/(6-3*1.25))

10 + 2 + 2 * ( 5 + 6 )

(0.6*450*12*100)/(60000*0.25+12000)

sin(pi/2)+cos(pi/2)+log(10)

In this mode, you can define variables and use those variables in calculation.

Example 1

// area of circle
pi=355/113
r = 6
area=pi*r**2

Example 2

// loan repayment
// eg $10k @3.5% over 5 years, answer $181.92 per month
p=10000
i=3.5/100/12
n=5*12
emi=p*i*(1+i)**n / (((1+i)**n) -1)

Example 3

// fuel economy
MPG=40
mile=300
priceL=1.10
cost = mile*priceL*4.54/MPG

Example 4

// run valid JavaScript code

q = 0;

for (let i = 0; i < 9; i++) {  q = q + i; }

You can copy paste each of the above examples to see how it evaluates.