By this calculator you can determine the value of an arbitrary arithmetic expression using the following arithmetic operations, functions or constants and any parenthesis structure.
Arithmetic operations
+ , – , * , / , ^
Functions
sqrt, sqr,
sin, cos, tan,
exp, ln, log, pow,
abs, round,
biko, fak, phi, phi_quant,
sum
| biko(n,k) | binomial coefficient n over k |
| fak(n) | n faculty |
| ln(x)=log(x) | natural logarithm (log base e) |
| pow(a,b)=a^b | power function |
| phi(z) | distribution function of standardized normal distribution |
| phi_quant(p) | p-quantile of standardized normal distribution, 0<p<1 |
| sum(i0,i1,f(i)) | sum over f(i) for i=i0,…,i1 |
Numerical constants
pi, e
Operative constants
res – the last actual result,
c1, c2, c3 – memories for interim results.
You can include these constants into arithmetical expressions.
Parentheses
( , )
cls – clear screen
reset – reset to start state
Some examples (for copy and paste):
1+1/(1+1/(1+1))
phi_quant(0.95)
sqr(sin(1.3))+cos(1.69^0.5)*sqrt(1-sin(2-0.7)*sin(1+0.3))
sum(1,10,i*i)
Some further ‘examples’:
(1+3
1+3*a
(1-1/(ln(sqr(sin(3*pi))+sqr(cos(exp(ln(5*pi)))))))
: -)
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Dear Meercat, Thank you for nice post. I hope it will be useful for every one who needs some calculation, but does not currently has a computer. 🙂