| http://www.w3.org/ns/prov#value | - After you find the warped corner, cut out small, L shaped pieces from a 3X5 card on the corner until it is fixed.The earliest form of an Abacus is an Abaci, which is a early B.C. table with anything solid to count with.One of the earliest forms of the Abacus used beads stung on wires around 3000 B.C.Although obsolete, the Abacus is the cheapest, most environmentally friendly form of a calculator,
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