JS SCRIPT   (On Mathematics Education)       See here for charts in PHP       (see here for charts with R)

[if you want, you can save the files on your computer (by clicking the name with the right mouse button)]
more will be added

percentuali    percentage

tabellina / × table (1-9)    1-12    1-31

integers / numeri interi     (examples)

decimals / numeri decimali     (examples)

sums and ratios  /  somme e rapporti

mean  /  media

division  /  divisione    (examples)

pocket calculator  /  calcolatrice

pocket calculator - 1  /  calcolatrice - 1    (examples)

use of array, write, writlen, for, if    (an example)

sorting numbers / ordinamento di numeri    (examples)

Expression manipulation: examples

preparation and administration of quizzes


block diagrams - 0  /  diagramma a barre - 0    (examples)

block diagrams - 1  /  diagramma a barre - 1

block diagrams - 2  /  diagramma a barre - 2    (examples)

strip diagrams  /  diagramma a striscia  (figure on the right)

other bar graphs  /  altri grafici a barre    (examples)

bar graphs (of functions)    (examples)


h - min

a die / un dado   (random)

2 dice  /  2 dadi  (random)

histogram (starting from single data)    (examples)

divisors  /  divisori    (examples)

prime factors  /  prime factors - 2    (examples)

simplifying fractions  (GCD / MCD)    (examples)

d  →  m/n  (repeating decimal → ratio of integers  /  numero periodico → rapporto tra interi)


calculations with anyway large integers / calcoli con interi comunque grandi   (examples)

proportional transformation of data    (examples)

solve simple equations    (examples)

rounding  /  arrotondamento    (examples)

area and center (and perimeter)  /  area e centro (e perimetro)    (example, with PHP graph)

angle ABC  /  angolo ABC    (examples)

triangle (if I know 3 sides/angles)

circle that passes through 3 points    (examples)


center/radius of a circle    (examples)


Tangents to a circle passing through a point P    (examples)

2 points in the plane (vector)


intersection of 2 straight lines

distance between a point and a line

intersection of 2 circles

x+y < k, if x,y ∈ [0,1]

approximations - interval arithmetic

approximations of generic functions

pocket calculator - 2    (examples)

boxplot    (examples)

boxplot comparison    (examples)

boxplot of classified data    (examples)

factorial (!)     fattoriale (!)

factorial (!)


length of circle arcs

linear system - 2 equations

linear system - 3 equations    (examples)

determinant 3x3

linear system - 4 equations (and determinant 4x4)    (examples)

2 sequences / vectors    (examples)

binomial coefficient   (see also ↑ "pocket calc. 2")

square root

How many steps? / Quanti passi?
How many steps? - more / Quanti passi? - bis

encode / decode

change the order of quizzes   examples

division in a base of your choice

division of m by n with m < n (natural numbers in base ten) and result in a base of your choice
By clicking  [one step]  you gradually get the figures of the result
m = n = base =
remainder =    

division of m by n with m < n (natural numbers in base ten) and result in a base of your choice
By clicking  [one step]  you gradually get the figures of the result
m = n = base =
remainder =    

repeated differences    (examples)

tabulation of a function  (and calculation of limits)   (examples)
[Now  x →  sin(x)/x  is calculated]

recursive definition    (examples)
[Now  F(1) = 1, F(n+1) = 2· F(n)  is calculated]

series    (examples)
[Now the sum 1 + 0.8 + 0.8² + 0.8³ + ... is calculated]

integrals of polynomial functions    (examples)

integral of Gauss distribution

solve polinomial equations F(x)=0    (examples)

solve equations F(x)=0    (examples)

max polinomial f. in [a,b]

min polinomial f. in [a,b]    (examples)

max F in [a,b]    (examples)
[Now F is  x^4 + 5*x^3 - 20*x + 2]


min F in [a,b]    (examples)
[Now F is  x^4 + 5*x^3 - 20*x + 2]


random number generation    (examples)

time to multiply N×N matrices    (examples)

derivative of functions    (examples)
[Now the function is x → x³+1]

integrals of functions    (examples)
[Now the integral of x → √(x³+1) - between 1 and 7 - is calculated]

probability of events    (examples)

distance of a point P from a curve x=x(t), y=y(t)   examples

distance between two curves P=P1(t1) and P=P2(t2)   examples

arc lenght   examples

linear regression   examples

quadratic regression   examples

cubic regression   examples

2 points in the space

transformation of data sequences   examples

automatic tabulation of a function (for various uses)   examples

orthodromic distance (distance between 2 points on a sphere)   (examples)

Examples of integrated uses of various scripts