On my sheets I find integrals and differential equations of every kind, astronomical corrections (of which I prepared a book), chances, Englefield's comets, investigation of the brightness within a rainbow, proof of Clairaut's theorem in one case, metacentres, change of independent variable applied to a complicated case, generating functions, principal axes.

A new method for the solution of cubic equations.

No army, no war: the false equation.

It appears to me that in the Physical Sciences depending on Partial Differential Equations, there is scarcely anything that a student can do for himself:he finds the integral of the ordinary equation for Soundif he wishes to go a step further and integrate the non-linear equation (dy/dx)²(d²y/dt²) = a²(d²y/dx²) he is simply unable to do so; and so in other cases there is nothing that he can add to what he finds in his books.

Academic Press, Inc. (PWH); 27Sep76; R642396. R642397. Partial differential equations in physics.

Elementary differential equations.

It was Liane Delorme who provided the erratic equation.

The most interesting factor in the instinct equation is the endocrine, because that is the one that is most purely chemical.

Little pettifogging personal equations and jobs occupy the whole of their time, except when they are engaged upon the congenial task of trying to thwart the Supreme Governor.

The Master blew no whistle, gave no signal to the many others scattered all through those darkly silent woods; but right and left, and over beyond the stockade, he knew with the precision of a mathematical equation every man was at that exact moment also arising, also obeying orders, also preparing to close in on the precious thing whereof they meant to make themselves the owners.

I planned an engine for describing ellipses by the polar equation A/(1 + e cos theta) and tried to make a micrometer with silk threads converging to a point.

"The General is at work on a simultaneous equation!" "Is it possible?"

Unlike the factor X in the traditional equation, it is the known factor par excellence, the factor by which the value of all the other factors of human life will be ascertained and solved.

This uneasy equation also has its own kind of 'freak shows'.

League is a vague term, and, like x in an algebraic equation, stands for an unknown quantity.

Her interest in Charley added an unexpected and perplexing equation to their problem.

He discovered the third and fourth inequalities of the moon in longitude, called respectively the variation and the annual equation, also the variability of the motion of the moon's nodes and the inclination of its orbit to the ecliptic.

Only concepts are self-identical; only 'reason' deals with closed equations; nature is but a name for excess; every point in her opens out and runs into the more; and the only question, with reference to any point we may be considering, is how far into the rest of nature we may have to go in order to get entirely beyond its overflow.

He regarded it as a duty to finish off his work, whatever it was, and the writer well remembers his comment on the mathematics of one of his old friends, to the effect that "he was too fond of leaving a result in the form of three complex equations with three unknown quantities."

The reason why it so operates is, because it was from the sun of the angelic heaven, and thence there is a constant equation of heat and light, that is, a conjunction of good and truth; for it is in a continual spring.

But now, with the onset of the second dentition, a subtle change begins in the endocrine equations of the body.