All 100 targets have a solution.
\(1 = 14 - 4 - 9 \)
\(2 = \frac{ 14 }{ \sqrt{49 } }\)
\(3 = \sqrt{144} - 9 \)
\(4 = \sqrt{\frac{ 144 }{ 9 }}\)
\(5 = \sqrt{44 - 19 }\)
\(6 = ( \sqrt{144} - 9 )!\)
\(7 = \sqrt{\frac{ 441 }{ 9 }}\)
\(8 = 49 - 41 \)
\(9 = 14 + 4 - 9 \)
\(10 = ( 14 - 9 ) \cdot \sqrt{4 }\)
\(11 = 19 - 4 - 4 \)
\(12 = \sqrt{441} - 9 \)
\(13 = 14 - 4 + \sqrt{9 }\)
\(14 = \sqrt{194 + \sqrt{4 }}\)
\(15 = \sqrt{144} + \sqrt{9 }\)
\(16 = \frac{ 144 }{ 9 }\)
\(17 = 19 - 4 + \sqrt{4 }\)
\(18 = 19 - \frac{ 4 }{ 4 }\)
\(19 = 14 - 4 + 9 \)
\(20 = ( 14 - 9 ) \cdot 4 \)
\(21 = \sqrt{144} + 9 \)
\(22 = 4 \cdot 9 - 14 \)
\(23 = \sqrt{4 \cdot 4} + 19 \)
\(24 = \frac{ 144 }{ \sqrt{9 }! }\)
\(25 = 44 - 19 \)
\(26 = 4 \cdot \sqrt{9} + 14 \)
\(27 = 14 + 4 + 9 \)
\(28 = 41 - 4 - 9 \)
\(29 = 14 + 4! - 9 \)
\(30 = \sqrt{441} + 9 \)
\(31 = ( 4 - 1 ) \cdot 9 + 4 \)
\(32 = \sqrt{4}^{14 - 9 }\)
\(33 = 4 \cdot 9 + 1 - 4 \)
\(34 = 41 - \sqrt{49 }\)
\(35 = 49 - 14 \)
\(36 = \sqrt{144 \cdot 9 }\)
\(37 = 14 \cdot \sqrt{4} + 9 \)
\(38 = 14 \cdot \sqrt{9} - 4 \)
\(39 = 19 - 4 + 4 !\)
\(40 = 41 - 4 + \sqrt{9 }\)
\(41 = ( 4 - \sqrt{9} ) \cdot 41 \)
\(42 = 19 \cdot \sqrt{4} + 4 \)
\(43 = 44 - 1^{9 }\)
\(44 = 1^{9} \cdot 44 \)
\(45 = 1^{9} + 44 \)
\(46 = \frac{ 414 }{ 9 }\)
\(47 = 91 - 44 \)
\(48 = \frac{ 144 }{ \sqrt{9 } }\)
\(49 = \frac{ 441 }{ 9 }\)
\(50 = 4 \cdot 9 + 14 \)
\(51 = 49 \cdot 1 + \sqrt{4 }\)
\(52 = 44 - 1 + 9 \)
\(53 = 94 - 41 \)
\(54 = 41 + 4 + 9 \)
\(55 = ( 4 - 1 )! + 49 \)
\(56 = 41 + 4! - 9 \)
\(57 = ( 4! - ( 1 + 4 ) ) \cdot \sqrt{9 }\)
\(58 = 4! \cdot \sqrt{9} - 14 \)
\(59 = 14 \cdot 4 + \sqrt{9 }\)
\(60 = ( 19 - 4 ) \cdot 4 \)
\(61 = 4^{4 - 1} - \sqrt{9 }\)
\(62 = 14 \cdot 4 + \sqrt{9 }!\)
\(63 = 14 + 49 \)
\(64 = ( 41 - 9 ) \cdot \sqrt{4 }\)
\(65 = 14 \cdot 4 + 9 \)
\(66 = 14 \cdot \sqrt{9} + 4 !\)
\(67 = 9^{\sqrt{4}} - 14 \)
\(68 = ( 14 + \sqrt{9} ) \cdot 4 \)
\(69 = \frac{ 414 }{ \sqrt{9 }! }\)
\(70 = ( 9 - 4 ) \cdot 14 \)
\(71 = ( 1 + 4 )! - 49 \)
\(72 = 19 \cdot 4 - 4 \)
\(73 = 41 \cdot \sqrt{4} - 9 \)
\(74 = 19 \cdot 4 - \sqrt{4 }\)
\(75 = 91 - 4 \cdot 4 \)
\(76 = \sqrt{4 \cdot 4} \cdot 19 \)
\(77 = 4 \cdot 9 + 41 \)
\(78 = 4^{\sqrt{9}} + 14 \)
\(79 = ( 9 - 4 )! - 41 \)
\(80 = 94 - 14 \)
\(81 = 9^{\frac{ 4 }{ 4 } + 1 }\)
\(82 = ( \sqrt{9}! - 4 ) \cdot 41 \)
\(83 = 91 - 4 - 4 \)
\(84 = \sqrt{4 \cdot 9} \cdot 14 \)
\(85 = 91 - 4 - \sqrt{4 }\)
\(86 = 4! \cdot \sqrt{9} + 14 \)
\(87 = 91 - \sqrt{4 \cdot 4 }\)
\(88 = ( \sqrt{9} - 1 ) \cdot 44 \)
\(89 = 94 - 1 - 4 \)
\(90 = 41 + 49 \)
\(91 = 91 - 4 + 4 \)
\(92 = ( 14 + 9 ) \cdot 4 \)
\(93 = 94 - 1^{4 }\)
\(94 = 1^{4} \cdot 94 \)
\(95 = 1^{4} + 94 \)
\(96 = ( 49 - 1 ) \cdot \sqrt{4 }\)
\(97 = \frac{ 194 }{ \sqrt{4 } }\)
\(98 = 14 \cdot \sqrt{49 }\)
\(99 = 91 + 4 + 4 \)
\(100 = 19 \cdot 4 + 4 !\)