एतत् पृष्ठम् अपरिष्कृतम् अस्ति
11 has a third part, if 4 measure any number, that number has a fourth part and so fourth. Prop XXXVIII. Bil.'s enunciation of it is:- * If a number have any part, the number' whereof the part taketbh its denomination shall measure it.' BOOK VIII. Prop. XVI. If between two like superficial numbers there is a mean proportional number, then he ratio of the products shall be equal to the square of the ratio of their sides of like proportion. सजातीयघातफळी:Products of two numbers which are bheir sides (शुओं) are called बातफलाका and when the sides are in the same ratio. the products are said to be like or similar. 6 and 24 have 2 and 8 and 4 and 6 respectively as their sides and 2 and 3 are in the same ratio as are 4 and 6. 6 and 24 are their like superficial or plain numbers Prop XVII. सजातीयघनफळे=Solid numbers are thoso which are products of three numbers. Like solid numbers, 80 and 240, have 2, 3 and 5, and 4, 6 and 10 as their sides and these sides are in the same ratio. Therefore 30 and 240 are similar Bolid numbers BOOK IX. क Prop. XII. Page 49 करूिपत in 8 seems to be impropar. It should be , Prop. XXVII Page 55 L 15. It should be शेषः अजं जदम् instead of शेषः Prop. XXXVII. If in a certain series of numbers which are in the same ratio a number equal to the second be taken from the first and also from the last, then the ratio of the first remainder to bho first
