SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Kihesabu
Mipango 40 inapatikana
Miradi (40)
Baudot Code and the Teleprinter
na Pixel
Dijitali
29
0
0
0
1
0
The Chappe Semaphore Telegraph
na Astro
Optiki
32
0
0
0
2
0
Hollerith Tabulator
na Mark
Kihesabu
29
0
0
0
0
0
Zero and Place-Value — Build an Abacus and Count Like the World Does
na Mark
Zama za Kati
34
0
0
0
0
0
The Sand Reckoner — Count the Grains and Tame Huge Numbers
na Mark
Kale
28
0
0
0
0
0
Magic Squares — Arrange Numbers So Every Line Adds the Same
na Mark
Kale
17
0
0
0
0
0
The Mercator Map — Peel an Orange and See Why Flat Maps Lie
na Mark
Renaissance (1400–1600)
21
0
0
0
0
0
Trigonometry — Build a Clinometer and Measure a Tree's Height
na Mark
Kale
25
0
0
0
0
0
The Number e — Grow Money and Meet the Constant of Change
na Mark
Scientific Revolution (1600–1760)
20
0
0
0
0
0
The Birth of Probability — Roll the Dice and Find the Odds
na Mark
Scientific Revolution (1600–1760)
27
0
0
0
0
0
Descartes' Coordinates — Plot a Treasure Map and Draw with Numbers
na Mark
Scientific Revolution (1600–1760)
20
0
0
0
0
0
Napier's Logarithms — Build a Paper Slide Rule and Multiply by Sliding
na Mark
Scientific Revolution (1600–1760)
26
0
0
0
1
0
Newton's Method — Chase a Root Down Tangent Lines You Draw
na Mark
Scientific Revolution (1600–1760)
28
0
0
0
0
0
Pascal's Triangle — Build a Pyramid of Numbers by Adding
na Mark
Scientific Revolution (1600–1760)
19
0
0
0
0
0
Al-Khwarizmi's Algebra — Complete the Square with Paper Tiles
na Mark
Zama za Kati
19
0
0
0
0
0
Fibonacci Numbers — Count the Spirals on a Pinecone
na Mark
Zama za Kati
25
0
0
0
0
0
Perfect Numbers — Find the Numbers That Equal Their Own Parts
na Mark
Kale
21
0
0
0
0
0
Heron's Square Roots — Fold a Rectangle Toward a Square
na Mark
Kale
22
0
0
0
0
0
Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips
na Mark
Kale
23
0
0
0
0
0
Sieve of Eratosthenes — Hunt Prime Numbers on a Grid
na Mark
Kale
21
0
0
0
0
0