Posted by Edgar Delgado on Sunday, February 15, 2009,
Edgar Delgado is a student of Visayays State University, Baybay City, Leyte, taking up Bachelor of Secondary Education, major in Biological Sciences.He was born on March 28, 1988 in Camanga, Tukuran, Zamboanga Del Sur. Edgar also studied at Western Mindanao State University And Far eaastern University. He gained several achievements during his early years of schooling. During his high school, he won as regional top scorer in the Mathematics Teachers Association of the Philippines(MTAP...
Posted by Edgar Delgado on Tuesday, February 3, 2009,
The first counting device was the abacus, originally from Asia. It worked on a place-value notion meaning that the place of a bead or rock on the apparatus determined how much it was worth.
1600s: John Napier discovers logarithms. Robert Bissaker invents the slide rule which will remain in popular use until 19??.
1642: Blaise Pascal, a French mathematician and philosopher, invents the first mechanical digital calculator using gears, called the Pascaline. Although this machine co...
