Version History

General Usage

Operators and general syntax

Settings
Angle mode, auto updates, etc. Last result
ans, answer Help Command
help topic Standard Operators
+ – ∗ / ^ ! i Relational Operators
< > ≤ Defining Variables
beta=45 Defining Functions
f(x):x^2

Standard Functions

sqrt, lg, etc.

Square Root
sqrt(x) n-th Root
rt(x; n[; k]) Exponential Function
exp(x) Natural Logarithm
ln(x) Logarithm
log(x; b) Common Logarithm
lg(x) Binary Logarithm
ld(x) k-th Branch of the Ln
lk(x; k) Argument
arg(z) Absolute Value
abs(z) Complex Conjugate
conj(z) Modulo
mod(a; b) Sign Function
sign(x) Heaviside step function
H(x), heavi(x) Gamma Function
gamma(z), gammaf(z) Maximum
max(a;b;c;…) Minimum
min(a;b;c;…) Rounding
round(x) Ceiling Function
ceil(x) Floor Function
floor(x) Fraction
frac(x) Truncate
trunc(x)

Stochastics

avg, binomial, etc.

Average (Mean)
avg(a;b;c;…), mean(a;b;c;…) Random Number
random(min; max) Binomial Coefficient
nk(n; k) Permutation without repetition
perm(n;k), vari(n;k) Binomial Distribution
binomial(n; k; p)

Trigonometric Functions

sin, cos, asin, etc.

Radian
rad(x) Radian (Multiple of π)
radpi(x) Degrees
deg(x) Sine
sin(x) Cosine
cos(x) Tangent
tan(x) Cosecant
csc(x), cosec(x) Secant
sec(x) Cotangent
cot(x) Arcsine
asin(x), arcsin(x) Arccosine
acos(x), arccos(x) Arctangent
atan(x), arctan(x) Arccosecant
acsc(x), arccsc(x), … Arcsecant
asec(x), arcsec(x) Arccotangent
acot(x), arccot(x)

Hyperbolic Functions

sinh, cosh, asinh, etc.

Hyperbolic Sine
sinh(x), sinhyp(x) Hyperbolic Cosine
cosh(x), coshyp(x) Hyperbolic Tangent
tanh(x), tanhyp(x) Hyperbolic Cosecant
csch(x), cschyp(x), … Hyperbolic Secant
sech(x), sechyp(x) Hyperbolic Cotangent
coth(x), cothyp(x) Area Hyperbolic Sine
asinh(x), arsinh(x), asinhyp(x), … Area Hyperbolic Cosine
acosh(x), arcosh(x), acoshyp(x), … Area Hyperbolic Tangent
atanh(x), artanh(x), atanhyp(x), … Area Hyperbolic Cosecant
acsch(x), arcsch(x), acschyp(x), … Area Hyperbolic Secant
asech(x), arsech(x), asechyp(x), … Area Hyperbolic Cotangent
acoth(x), arcoth(x), acothyp(x), …

Constants

pi, E, etc.

Circular constant π
pi = 3.1415926535898 Euler’s number e
E = 2.718281828459 SI prefixes
kilo, nano, … Standard gravity g
g = 9.80665 m/s2 Avogadro constant NA
Na = 6.0221415⋅1023 mol-1 Loschmidt constant n0
n0 = 2.6867773⋅1025 m-3 Atomic mass u
u = 1.66053886⋅10-27 kg Rest masses of elementary particles
me, mp, mn, etc. Boltzmann constant k
kB = 1.3806505⋅10-23 J/K Universal gas constant R
R = 8.314472 J⋅mol-1⋅K-1 Molar gas volume Vm
Vm = 22.413996 l/mol Standard atmosphere p0
p0 = 101 325 Pa Gravitational constant G
G = 6.674⋅10-11 m3⋅kg-1⋅s-2 Vacuum speed of light c
c = 299 792 458 m/s Elementary charge e
el = 1.60217653⋅10-19 C Electric constant ε0
eps = 8.854⋅10-12 F/m Magnetic constant μ0
m0 = 12.566⋅10-7 N⋅A-2 Faraday constant F
F = 96 485.3383 C/mol Wien’s displacement constant b
b = 2.8977685⋅10-3 m⋅K Stefan-Boltzmann constant σ
sb = 5.6704⋅10-8 W⋅m-2⋅K-4 Planck constant h
h = 6.6260693⋅10-34 Js Reduced Planck constant ħ
hp = h/2π = 1.05457⋅10-34 Js Rydberg constant R
ryd = 1.09737⋅107 m-1 Rydberg frequency R
Rf = c⋅R = 3.2898⋅1015 Hz Rydberg energy Ry
Ry = h⋅c⋅R = 13.6057 eV Bohr radius a0
a0 = 0.5291772108⋅10-10 m Bohr magneton μB
mB = 9.27400949⋅10-24 J/T Nuclear magneton μN
mN = 5.05078343⋅10-27 J/T Compton wavelength (electron) λC,e
Ce = 2.426310238⋅10-12 m Compton wavelength (neutron) λC,n
Cn = 1.3195909067⋅10-15 m Compton wavelength (proton) λC,p
Cp = 1.3214098555⋅10-15 m Classical electron radius re
re = 2.817940325⋅10-15 m Fine-structure constant α
fine = 7.297352568⋅10-3 Fluxon Φ0
flux = 2.06783372⋅10-15 Wb Josephson constant KJ
Kj = 1/Φ0 = 483.598⋅1012 Hz/V Landé g-factor of the electron ge
ge = 2.0023193043718 Gyromagnetic ratio γProton
gyro = 2.675⋅108 rad⋅s-1⋅T-1 Quantum Hall resistance RK
Rk = 25.812807449⋅103 Ω

Tensors

Kronecker, Levi-Civita

Kronecker δij
delta(i; j) Levi-Civita εijk
levi(i; j; k)
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Feedback & Bug Report

Calc BoardVersion 1.6.1

Release Date

November 30th, 2008

New Features

Fixed some minor issues concerning rounding and the exponential function.

Known Issues

Still has rounding problems from time to time.

Calc BoardVersion 1.6

Release Date

October 12th, 2008

New Features

New Stochastics functions, modulo, fraction, truncate, and improved random, root and Gamma function

Widget: Resizing and Font Adaption, Saving the protocol, Help Command

Improved Usability

Bug fixes

Calc BoardVersion 1.5

Release Date

August 9th, 2008

New Features

User-defined functions accept parameters now.

Widget: Pressing Esc wipes the board

New functions: min, max, avg, Heaviside

Improved the widget’s look in Tiger

Minor Bug fixes

Calc BoardVersion 1.4

Release Date

August 3rd, 2008

New Features

a^b^c = a^(b^c) instead of (a^b)^c.

Corrected the value of the gas constant.

The widget now saves user-defined variables and functions even throughout restarts.

Multiple widgets may operate using different settings, but all use the same variables and functions.

Improved Mac OS X 10.4 Tiger experience.

Calc BoardVersion 1.3d

Release Date

July 22nd, 2008

New Features

It is possible (again) to select text in the widget.

Minor bug fixes in the mathematical parser and the handling of the widget.

Calc BoardVersion 1.3c

Release Date

July 17th, 2008

New Features

Rounding up to 16 decimals.

Widget: "Jumping Caret" bug solved.

Calc BoardVersion 1.2

Release Date

July 17th, 2008

New Features

ans contains the exact value, not the rounded one.

Some minor bug fixes.

Calc BoardVersion 1.0

Release Date

July 12th, 2008

New Features

Everything up and running

 

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