DESIGN OF VARIABLES AND FORMULAS

All variables (in formulas, in the text, or in the picture) must have decryption (explanation) in the text (at the first mention), immediately after the formula in which they are first introduced, or in figure caption. The writing of variables in text, formulas and figures should be the same.

Font for Latin variables is Times New Roman italic (except sin, cos, tg, ctg, min, max, extr). Font for Greek letters is Symbol regular. For Russian letters, numbers and brackets Times New Roman regular is used. Marking of matrices and vectors is done with bold font, vector sign (arrow) is not assigned. The same writing is applied to the upper and lower indices. If the letter or group of letters is not variable, then Times New Roman regular font may be used.

The size of variables in formulas is used in accordance with the size of the main text in the following proportions (the example is given for the font # 12): if the formula is typed in Eqn3.0, the Size tab settings are: Size 12, 9, 8 , 18, 12; if the formula is typed in MathType, the Size tab settings are: Size 12 , 58 % , 42 %, 150 %. 100 %. Scale for variables and formulas when writing them in the MathType editor is 100%. (pt. 2.2 is convenient to check in print and electronic copies simultaneously).

A decimal marker is a full point (decimal point), “minus” sign - short dash, the multiplication sign - × (not x) , the sign of degrees - ° (not O) arrow sign - → (not -> ).

The numbering of formulas within the paper is continuous. Formulas are numbered only in case they are referenced in the text, but not before the formula, always after the formula, for example ... (3). The numbered formulas should be referred to in the text. If there is no reference to the formula, it must not have numeration.