JavaScript (On Mathematics Education) See here for charts in PHP (here for charts with Desmos, here with R)
[If you want, you can save the files on your computer (by clicking the name with the right mouse button)
Note on the use of Safari: ( # ) ] more will be added
percentuali percentage (examples-esempi)
tabellina / × table (1-9) 1-12 1-12* 1-31 (remarks and examples-note ed esempi)
integers / numeri interi (examples-esempi)
decimals / numeri decimali (examples-esempi)
approximations / approssimazioni
sums and ratios / somme e rapporti (examples-esempi)
mean / media (examples-esempi)
division / divisione (examples-esempi)
area triangle,parallelogram / triangolo,parallelogramma
sum angles of triangle / somma angoli di un triangolo
Pythagoras Theorem / Teorema di Piatgora
perimeter/area of the circle / perimetro/area del cerchio
first calculator / prima calcolatrice
pocket calculator / calcolatrice (examples-esempi)
pocket calculator - 1 / calcolatrice - 1 (examples-esempi)
use of array, write, writlen, for, if (an example/un esempio)
use of function, form, input / uso di . . . (example-esempio)
sorting numbers / ordinamento di numeri (examples/esempi)
Expression manipulation, Constants: examples that can be helpful (formule e costanti).
preparation and administration of quizzes / preparazione e somministrazione di quiz
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block diagrams - 0 / diagrammi a barre - 0 (examples-esempi)
block diagrams - 1 / diagrammi a barre - 1 (examples-esempi)
block diagrams - 2 / diagrammi a barre - 2 (examples-esempi)
block (crosses) diagrams - 3 / diagrammi a barre (a crocette) - 3 (examples-esempi)
| pie chart / diagrammi a torta (examples/esempi) | 
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strip diagrams / diagrammi a striscia (figure on the right) (examples-esempi)
other bar graphs / altri grafici a barre (examples-esempi)
bar graphs (of functions) / grafici a barre (di funzioni) (examples-esempi)
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disegnare (come si disegna col computer?) / drawing (how is a drawing done with a computer?)
| grafici semplici / simple graphs (functions, figures) in dimensioni minori / in smaller size molto minori / much smaller (esempi / examples) |
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| various graphics (and animations) |
      
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| parabole (e rette) / parables (and lines) |
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| ellissi / ellipses |
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fractions / frazioni (examples-esempi)
a die / un dado (random) (examples)
2 dice / 2 dadi (random) (examples)
histogram (starting from single data) (examples)
histogram with tighter rectangles
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)
| 5.3627627627627... → 8929/1665 |
calculations with anyway large integers / calcoli con interi comunque grandi (examples)
proportional transformation of data (examples)
solve simple equations / semplici equazioni (examples)
rounding / arrotondamento (examples/esempi)
area and center (and perimeter) / area e centro (e perimetro) (example, with PHP / Desmos graph)
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barycenter in the plane barycenter in the space |
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angle ABC / angolo ABC (examples)
triangle (if I know 3 Sides/Angles, se conosco 3 lati/angoli)
Drawing a triangle / Disegno di un triangolo
circle that passes through 3 points (examples)
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center/radius of a circle (examples)
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Tangents to a circle passing through a point P (examples)
2 points in the plane (vector) (examples)
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intersection of 2 straight lines (examples)
distance between a point and a line (examples)
intersection of 2 circles (examples)
x+y < k, if x,y ∈ [0,1] and other examples of probability of events and distribution laws
approximations - interval arithmetic - intervalli d'indeterminazione (examples)
approximations of generic functions (of 1,…,4 variables)
tabulating polinomial function (examples)
pocket calculator - 2 (examples)
boxplot of classified data (examples)
linear system - 3 equations (examples)
determinant 3x3 determinant 4x4 determinant 5x5 determinant 6x6
linear system - 4 equations (and determinant 4x4) (examples)
matrix multiplication (examples)
2 sequences / vectors (examples)
binomial coefficient (see also ↑ "pocket calc. 2")
square root and cube root (see also "recursive definitions" below)
How many steps? / Quanti passi?
How many steps? - more / Quanti passi? - bis
change the order of quizzes (examples-esempi)
division in a base of your choice (examples)
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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 = |
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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 (examples)
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solve polinomial equations F(x)=0 (examples)
solve equations F(x)=0 (examples)
max of polinomial fun. in [a,b]
min of polinomial fun. 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]
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the concept of limit: attention! / il concetto di limite: attenzione!
the concept of continuity: attention! / il concetto di continuità: attenzione!
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)
quadratic regression (examples)
χ² (Chi-squared test) (examples)
2 points in the space (examples)
transformation of data sequences (examples)
automatic tabulation of a function (for various uses) (examples)
orthodromic distance (distance between 2 points on a sphere) (examples)
calculations (example) calculations2 (example) calculations3 (example)
calcolo di F(x) calcolo di F(x,y) calcolo di F(x,y,z)
a magic square / un quadrato magico (examples-esempi)
Examples of integrated uses of various scripts
( # ) Se usi un Mac, ti conviene usare un qualunque browser (Edge, Firefox, Opera, …) diverso da Safari, che non riconosce "with(Math)" in alcuni file in JavaScript. Comunque, i file qui presenti sono stati modificati in modo da funzionare anche in Safari (se ci sono problemi scrivete). Se vuoi modificare un file e non riesci a visualizzare il sorgente con un Mac, modfica l'estensione da "htm" a "txt", apri il file con TextEdit, modicalo e rimetti l'estensione "htm". / If you use a Mac, you should use any browser (Edge, Firefox, Opera, ...) other than Safari, which doesn't recognize "with(Math)" in some JavaScript files. However, the files here have been modified to work in Safari too (if there are any problems write). If you want to edit a file and you can't view the source with a Mac, change the extension from "htm" to "txt", open the file with TextEdit, edit it and put the extension "htm" back.