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Who is John Wallis?
he had something to do with pi
What are past ERB WRAP test essay topics?
2+2=5.pi
Who was Archimedes?
Archimedes (287-212 BC) was supreme and greatest Greek mathematician. He solved the problem of buoyancy. He established the laws of the lever. He Devised a method of displacement volumes (the Eureka formula).he Made creative war machines to fight off the Romans. He Invented calculus (although this was forgotten)
How many letters in the greek alahbet?
It is the same as in Unicode - 32 letters: alpha, beta, gamma, delta, epsilon, digamma, stigma, zeta, heta, eta, theta, iota, yot, kappa, lamda, mu, nu, xi, omicron, pi, san, koppa, rho, sigma, tau, upsilon, phi, chi, psi, omega, sampi, sho Source: list of all symbols tagged *GREEK*LETTER* in allkeys.txt on Unicode website
What were some benefits and inventions that helped the people of china?
Small list of great inventions/achievements of ancient China, and various other Chinese "firsts": - Paper - Printing - Compass - Gunpowder - Bell - Ax - Drum - Beer - Fork - Pasta - Oars/rowing - Table salt - Silk - Rice/soybean cultivation - Acupuncture - Anti-malarial compounds - Paper currency - Various metallurgic technologies - Blast furnace - Mechanical belt drive - Drilling - Cast iron - Accurate calendar year - Chemical warfare - Use of chromium - Crossbow - Cold-fusion steel process - Treatment of diabetes - Identification and treatment of malnutrition diseases - Endocrinology - Various achievements in astronomy - Various achievements in geometry and mathematics - Exploding cannonballs - Fireworks - Carriage - Fishing reel - Horse collar/harness - Jade - Kite - Landmine - Various nautical inventions - Match - Natural gas as fuel - Negative numbers - Playing cards - Go/Mahjong/Chinese checkers - Porcelain - Pound lock - Puppet theater - Restaurant menu - Rotary fan - Seismometer - Suspension bridge - Tea - Use of thyroid hormones to treat goiters - Tofu - Toilet paper - Toothbrush - Catapult - Wheelbarrow - Discovery of circadian rhythm - Decimal fractions - Concept of climate change - Music theory - Gaussian elimination - Description of leprosy - Estimate of pi - Recognition of spontaneous combustion - Concept of true north - Recognition of sunspots, and various other astronomical phenomena - Accurate description of solar eclipse
