declann

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 400,
  "height": 400,
  "signals": [
    {
      "name": "increase",
      "on": [{"events": "rect:click", "force": true, "update": "datum"}]
    }
  ],

declann

{
  "facet": {"column": {"field": "duration", "type": "nominal"}},
  "spec": {
    "encoding": {"x": {"field": "bin_i", "type": "ordinal"}},
    "layer": [
      {
        "mark": {"type": "bar", "size": 2},
        "encoding": {
          "y": {"field": "min", "type": "quantitative"},
          "y2": {"field": "max"}

declann

// this is https://github.com/declann/calculang-miscellaneous-models/blob/main/models/pi/nilakantha-series_esm/cul_scope_0.mjs
// but with changes described
// so that it runs on numcalc.com (QuickJS)
// with arbirary \digits settings (e.g. \digits 100)
// Ensure in numeric (not algebraic mode)

// CHANGES:
// replaced res = 0 with res=0.0 and 4 by 4.0

//pi_approximation({terms_in:2000000})-PI

declann

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 700,
  "height": 400,
  "padding": 5,
  "data": [
    {
      "name": "table",
      "values": [
        {"category": 1960, "amount": 4},

declann

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 700,
  "height": 400,
  "padding": 5,
  "data": [
    {
      "name": "table",
      "values": [
        {"category": 1960, "amount": 4},

declann

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 700,
  "height": 400,
  "padding": 5,
  "data": [
    {
      "name": "table",
      "values": [
        {"category": 1960, "amount": 4},

declann

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 700,
  "height": 400,
  "padding": 5,
  "data": [
    {
      "name": "table",
      "values": [
        {"category": 1960, "amount": 4},

declann

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 700,
  "height": 400,
  "padding": 5,
  "data": [
    {
      "name": "table",
      "values": [
        {"category": 1960, "amount": 4},

declann

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 700,
  "height": 400,
  "padding": 5,
  "data": [
    {
      "name": "table",
      "values": [
        {"category": 1960, "amount": 4},

declann

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 700,
  "height": 400,
  "padding": 5,
  "data": [
    {
      "name": "table",
      "values": [
        {"category": 1960, "amount": 4},