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Egyptian Achievements Weights and Measures • -cubit—length of a mans forearm • used many systems of pulleys for water & the pyramids • math—could +- X and /, used to square things, angles • measured fields and boundaries every year after floods • astronomy—maps to point out stars at different times of year, probably used in religion and pyramid building Inventions • clocks—wooden stakes nailed together—shadow • water clocks—like an hourglass • calendar—365 divided by 12 months, 30 days each month,5 days left over – used for feast • -papyrus—plant which grew along the Nile, split and mashed reeds together and then dried in sun—first paper (valuable), ink made from soot and water, dyes from plants • hieroglyphics—writing which used pictures for sounds, first used • by priests, most often used in carvings and religious texts • several forms of script developed—faster writing, like cursive • Rosetta Stone— hieroglyphics were unreadable until stone was discover in Rosetta, Egypt— same story printed in 3 languages (one Greek another hieroglyphs, last in Demotic)